Every summoned monster last quite a long time (I didn't timed, but it's like 15 minutes). Skill level increase attack power of the monster. You can only summon one monster at a time, no matter what level the skill is. If you summon Hill Giant then summon Ararat, your Hill Giant will die... sorry

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Quest guide

You can start this quest only on wednesday. Then, Dr Torsche come to Viki's House to visit him and Ulrik.

Required Level : 72

Go to Viki's House (Tejado Verde, G3)Talk to Dr TorscheTalk to VikiTalk twice to a girl in Reboldoeux, F7. She'll ask you to go talk Yeganeh and Lisa.Talk to Yeganeh about Robot R 90--- Hunt Wild Boars at Cathari Falls for 20 Wildboar's Molar--- Crate Octopus at Jezebel Glen for 20 Laminated Jezebelium--- Phobitan Warrior at Tetra Great Ruins for 5 Roboten Jewels--- Bring all these items to Yeganeh, and he'll build Robot R 90

Talk to Lisa about Cacao--- She'll ask you to bring 300 Cabosse, found on any Phobitan to the Old Lady Cabosse, Coimbra G10. She needs regular Cabosse, not quest items, so you can hunt these at any time or keep those you got when crossing Tetra.--- The Old Lady Cabosse transforms 300 Cabosse into 50 Cacao Mass and 50 Cacao Butter--- Bring Cacao Mass and Cacao Butter to Lisa. She'll take it and 5.000 vis and make Sonador Cacao

Bring Sonador Cacao and Robot R 90 to Viki. Reward, 3 Exp Card lvl 70 (64.000)A mission will start. On a Picnic with Viki, Torsche and Ulrik, you get attacked by tons of Spiders.After defeating Spiders, it appears that Cherlyn is behind all this (you already met her during Grace's Quest).Cherlyn summon a Treasure Golem (lvl 60, 80.000 HP). You can fight it away from Cherlyn if you can't handle those 2 ennemies.At a certain moment, Viki will summon Ararat, wich will help you defeat Cherlyn. Once the battle is over, gotalk to Ararat. You'll get a Heart of Steel.After you finished the mission, talk back to Viki, he'll reward you with a lvl 64 Enchant Chip.

Talk to Ulrik, he will ask you to go for a hunt :--- Hornets at Stone Pit for 100 Trasinix Jewels--- Sickle Dragonfly at Ferrucio Junction for 100 Koenig Jewels--- Little Comodo at Cathari Falls for 100 Sterten ChromeBring everything back to Ulrik. He'll ask you another hunt--- Ligthning Zebra Eater at Tejado Verde for 100 Molythea Block--- Little Plaque Rouge at Tetra Hill for 100 Fire Cube--- Slash Agent at El Lago de Tres Hermanas for 100 Garft BlockBring everything back to Ulrik.He'll ask 1 Mamund and 1 Strong Heart.For the Strong Heart go talk to Dr Torsche in his mansion (not the one in the Cabin, if it's still wednesday).Dr Torsche asks for 100 Otite Chips (regular item, not quest item) and 20 pieces of each Neverseen item (rare drops of some Torsche's Mansion's monsters, not quest items, so you can hunt at any time) :- 20 Neverseen Spring- 20 Neverseen Tube (Drop by Haunted Armors)- 20 Neverseen Gear (Drop by Haunted Candles and Haunted Desk / Fournitures)- 20 Neverseen Hinge (Drop by Haunted Desk / Fournitures)- 20 Neverseen Clock (Drop by Lloyd and Haunted Book)Once you got everything, bring it back to Dr Torsche in his manor and receive 1 and 1 Strong HeartSummon

For the Mamund, go to Pradera de Ceniza (map lvl 60-62) and hunt for the mini-boss (one big dog level 65).The Mamund will drop at low chance.

Bring Mamund and Strong Heart to Ulrik, who will take it, and all the quest items you gathered for him this far.Then talk to Viki and you'll be transported to a mission : after a short talk, just kill Cherlyn and her Hill Giant (very easy fight).Talk to Ulrik, and after the discussion, Ulrik will ask you to take care of VIki : you now have Viki Card (and Amicus book) ! Congratulations !